[Study of axillary lymph node metastasis in breast cancer].
D000328:Adult; D000368:Aged; D001365:Axilla; D001943:Breast Neoplasms / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008198:Lymph Nodes; D008207:Lymphatic Metastasis; D008408:Mastectomy; D008875:Middle Aged